Home / 1,314,989.40-1,971,332.10-892,896.60

Finding the Fourth Proportional to 1,314,989.40, 1,971,332.10 and 892,896.60

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Solution

The fourth proportional to 1,314,989.40, 1,971,332.10 and 892,896.60 is: 1,338,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,989.40 : 1,971,332.10 = 892,896.60 : x
  2. Step 2: Convert to fraction form
    1,314,989.40/1,971,332.10 = 892,896.60/x
  3. Step 3: Cross multiply
    1,314,989.40x = 1,971,332.10 × 892,896.60
  4. Step 4: Simplify right side
    1,314,989.40x = 1,760,195,729,560.86
  5. Step 5: Solve for x
    x = 1,760,195,729,560.86/1,314,989.40
  6. Step 6: Final answer
    x = 1,338,562.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.